package com.ktjy.mapper;

import com.ktjy.Person;

import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;

public class GetClassConstructorsInfo {
    public static void main(String[] args) {
        Constructor [] cons= Person.class.getDeclaredConstructors();
        System.out.println("===========构造方法展示===========");
        for(Constructor con:cons){
            System.out.print("访问修饰符：");
            int modifier = con.getModifiers();
            if ((modifier & Modifier.PUBLIC)==Modifier.PUBLIC)
                System.out.println("public");
            else if ((modifier & Modifier.PROTECTED)==Modifier.PROTECTED)
                System.out.println("protected");
            else if ((modifier & Modifier.PRIVATE)==Modifier.PRIVATE)
                System.out.println("private");
            else
                System.out.println("default(package)");

            Class [] params=con.getParameterTypes();
            if (params.length==0){
                System.out.println("该构造方法没有参数");
            }else {
                System.out.print("该构造方法的参数列表为：[");
                for (int i = 0; i <params.length ; i++) {
                    if (i>=0){
                        System.out.print(",");
                        System.out.print(params[i].getName());
                    }
                    System.out.println("]");
                }
                System.out.println("-----------------------------");
            }
        }
    }
}
